Hello David,
Boot up the working kernel and check which modules are loaded and try passing a
number of them (especially the ones for your disks) to mkinitrd (using the
--preload option) and make a custom ramdisk.
I had this problem in the past where Xen wouldn't load the proper modules to
access the disks on boot, which I thought was a little ridiculous haha.
Good Luck,
Tait
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of David Gonzalez
Sent: Monday, January 05, 2009 8:40 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Booting issue on CentOS 5.2+Xen 3.3.0
Hello All,
I finally compiled xen 3.3.0 using make World, installed it but I cannot get it
to Boot, I always get kernel panic, kernel not sync kind of errors, I suppose
it’s some hard disk or partition issue, my setup is as follows.
CentOS 5.2 x86_64 on a HP ML-115
Grub, menu.list
Entries
CentOS xen’s line
title CentOS (2.6.18-92.1.22.el5xen)
root (hd0,0)
kernel /xen.gz-2.6.18-92.1.22.el5 dom0_mem=1.8G
module /vmlinuz-2.6.18-92.1.22.el5xen ro root=LABEL=/ console=tty0
noreboot
module /initrd-2.6.18-92.1.22.el5xen.img
My line
title Xen 3.0 / XenLinux 2.6
root (hd0,0)
kernel /xen-3.3.gz dom0_mem=1.8G
module /vmlinuz-2.6.18.8-xen ro root=LABEL=/ console=tty0 noreboot
module /initrd-2.6.18.8-xen.img
/boot is on a regular partition / is also outside LVM but it never works. mount
says
[root@ut3 ~]# mount
/dev/hda2 on / type ext3 (rw,noatime)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/mapper/vg0-lvUsr on /usr type ext3 (rw,noatime)
/dev/mapper/vg0-lvSrc on /usr/src type ext3 (rw,noatime)
/dev/mapper/vg0-lvOpt on /opt type ext3 (rw,noatime)
/dev/mapper/vg0-lvVar on /var type ext3 (rw,noatime)
/dev/mapper/vg0-lvSpool on /var/spool type ext3 (rw,noatime)
/dev/mapper/vg0-lvLog on /var/log type ext3 (rw,noatime)
/dev/mapper/vg0-lvWww on /var/www type ext3 (rw,noatime)
/dev/mapper/vg0-lvHome on /home type ext3 (rw,noatime)
/dev/mapper/vg0-lvMirror on /vz type ext3 (rw,noatime)
/dev/mapper/vg0-lvLfs on /install type ext3 (rw,noatime)
/dev/hda1 on /boot type ext3 (rw,noatime)
tmpfs on /dev/shm type tmpfs (rw)
none on /tmp type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type
As you see I have a LVM setup and regular lines work, but my own line following
Xen docs, doesn’t I even created an initrd image as it works on stock CentOS
kernels.
Everything compiled fine and installed too, please help me, I always have the
same problem when I compile custom kernels, my system can never boot, may be I
have to compile LVM support into the kernel rather than as Module.
Has anyone made this work with similar setups as mine?
Can anyone give me a lead, thanks.
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